Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]

Ingo Molnar
2007-12-08T09:31:24Z

* Rafael J. Wysocki <rjw@sisk.pl> wrote:

> Subject : tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
> Submitter : Ingo Molnar <mingo@elte.hu>
> References : http://lkml.org/lkml/2007/11/29/157
> http://bugzilla.kernel.org/show_bug.cgi?id=9497
> Handled-By : Matt Mackall <mpm@selenic.com>
> Patch : http://lkml.org/lkml/2007/11/29/387

Matt, the above bug is still occuring en masse during random bootups:

[ 67.828312] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[ 41.270905] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[ 82.378714] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[ 35.308126] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
[ 35.484155] WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()
WARNING: at arch/x86/mm/highmem_32.c:52 kmap_atomic_prot()

and the patch does not seem to be upstream yet.

Ingo